Differential D55882

linux: Add TCP_INFO support
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Authored by chuck on Mar 16 2026, 6:34 PM.

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emaste
kib
markj

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rG925ca9b8355d: linux: Add TCP_INFO support

Summary

Implement the getsockopt for TCP_INFO by mapping FreeBSD's version to
what Linux expects.

Diff Detail

Repository

rG FreeBSD src repository

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Build Status

Buildable 71431
Build 68314: arc lint + arc unit

Event Timeline

chuck created this revision.Mar 16 2026, 6:34 PM

Herald added a subscriber: imp. · View Herald TranscriptMar 16 2026, 6:35 PM

chuck requested review of this revision.Mar 16 2026, 6:35 PM

Harbormaster completed remote builds in B71431: Diff 173764.Mar 16 2026, 6:35 PM

chuck added a parent revision: D55881: linux: Fix sockopt copyout.Mar 16 2026, 6:35 PM

kib added inline comments.Mar 16 2026, 8:46 PM

sys/compat/linux/linux_socket.c
2312	Why is this versioning needed? IMHO we could copyout as much as fit into the user buffer.

chuck added inline comments.Mar 17 2026, 2:53 PM

sys/compat/linux/linux_socket.c
2312	The intent was to return the amount of data a particular kernel version expected and no more. That said, I'm happy to drop this if others feel this is overkill.

Address review feedback and rebase.

Harbormaster completed remote builds in B73771: Diff 179470.Tue, Jun 9, 6:09 PM

kib accepted this revision.Tue, Jun 9, 11:17 PM

This revision is now accepted and ready to land.Tue, Jun 9, 11:17 PM

Closed by commit rG925ca9b8355d: linux: Add TCP_INFO support (authored by chuck). · Explain WhyWed, Jun 10, 12:32 AM

This revision was automatically updated to reflect the committed changes.

chuck added a commit: rG925ca9b8355d: linux: Add TCP_INFO support.

Revision Contents
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Path

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sys/

compat/

linux/

92 lines

81 lines

Diff 173764

sys/compat/linux/linux_socket.h

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sys/compat/linux/linux_socket.c

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